Skip to main content

CVE detail

CVE-2026-4962

A security flaw has been discovered in UltraVNC up to 1.6.4.0. Affected by this issue is some unknown functionality in the library version.dll of the component Service. The manipulation results in uncontrolled search path. The attack needs to be approached locally. This attack is characterized by high complexity. The exploitation is known to be difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 6.4 · MediumBuzz score 22.6

Buzz score

Why this CVE is surfacing

Buzz score total 22.6

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 16.1 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
16.1
4 evidence mentions in the snapshot
Diversity score
6.5
2 sources across 1 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
4 source links · newest first

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

Related records

Similar CVEs

6 related CVEs with shared weakness or product evidence
  • CVE-2026-3787

    A weakness has been identified in UltraVNC 1.6.4.0 on Windows. This affects an unknown function in the library cryptbase.dll of the component Windows Service. This manipulation ca…

    CVSS 6.4 · Medium
    4 mentions
  • CVE-2026-15515

    A security vulnerability has been detected in Tencent PC Manager 18.1.30242.301. This issue affects some unknown processing in the library qmudisk64.sys of the component QMUDisk D…

    CVSS 6.4 · Medium
    5 mentions
  • CVE-2026-6421

    A vulnerability has been found in Mobatek MobaXterm Home Edition up to 26.1. This affects an unknown part in the library msimg32.dll. The manipulation leads to uncontrolled search…

    CVSS 6.4 · Medium
    6 mentions
  • CVE-2026-4546

    A weakness has been identified in Flos Freeware Notepad2 4.2.25. This impacts an unknown function in the library TextShaping.dll. Executing a manipulation can lead to uncontrolled…

    CVSS 7.3 · High
    4 mentions
  • CVE-2026-4545

    A security flaw has been discovered in Flos Freeware Notepad2 4.2.25. This affects an unknown function in the library PROPSYS.dll. Performing a manipulation results in uncontrolle…

    CVSS 7.3 · High
    4 mentions
  • CVE-2026-33156

    ScreenToGif is a screen recording tool. In versions from 2.42.1 and prior, ScreenToGif is vulnerable to DLL sideloading via version.dll . When the portable executable is run from…

    CVSS 7.8 · High